44 THE BUTi'EKFLIKS OF SWITiiERLAND 



Log. Scarce: Branson; Hierre ; Pi'yn, vii. 15/01 (HV/.); on the 

 road to Alpien above the Simplon Pass, S. side ( Iliit-^cr). 



ab. ? Unicolor, Fav. A form of Ari/idus without ante-margl. 

 blk. spots or or. edging up.s. 

 Log. Gamsen ; Martigny; Fully (H'srAZ.). 



(c.) absence of bl. in $ . 

 ab. (& var.) Brunnea, Spider. This having been hitherto re- 

 garded as the type, there is some confusion as to Iocs. It is, 

 however, the usual form on the Rhone banks between Bouveret 

 and Martigny Avhere it is replaced by the bl. form, and also in 

 the mtns., though not exclusively, until replaced by .Kjiidian. 

 (d.) un.s. h.w. tendency of wh. band to 



become less conspicuous, 

 (e.) depth of grd. col. un.s. 

 (f.) extent of or. up.s. ? , varying from a 

 little on h.w. to border f. and h.w. 



Genus, Everes, llh. 



E. Argiades, rullns (Tiresins, Unit.: Aniyiitcis, Uh.); 



29mm. Fd. pit. Tri/hliHin, Mcdicciijo, Lotus cuniicidatiis, 

 itc. ; hyb. 1. 

 ^ lilac-bl., 9 brn. tinged with bl. 



Dist. Char. h.w. a tiny projection or " tail " nr. anal ang. (much 

 shorter than in 1 AUiijiith's). 



Log. \ . local in Switz.: Liestal ; Zilrich (luiitc) ; locally through 

 the lowlands {Frfi/) ; Lucerne, viii. ab., C'assarate, viii. 14/02, ab. 

 (/'Vs.); Pinchat, viii.; ^'eyrier, vii. 18, viii. 4; ^'ersoix, viii. 20 ; 

 Onex, ix. 2 (/;/.). 



Much connnoner in the S., r.i/., Gresy-sur-Aix, vii. 2;j,i)(j; viii. m. 

 lilOO, ab. ; Chavoire, vii. e. /02 {Tiitt); Digne, Eaux Thermales valley, 

 vi. l/dd {ll,-]>rn.)\ Alpes Maritimes, c. in meadows {linn.); Certosa 

 di Pesio, a few ? s below Chiusa, J s in a large clover field about a 

 mile away, viii. 18/92 (A'or/i.s) ; Susa, viii. m. /97 ; Courmayeur, 

 viii. b. /94 {Tiitt) ; Olgiate, viii. /95 ; Sondrio, viii. /96 [Miss l-'tn.) ; 

 Lago di Loppio, vii. 81, 1900 {Jom-H) ; Wolfsberg, vii. 17/97 {Linn.). 



DireGtions of Yar. (a.) diminution- of size, culminating in : 



ab. Polysperchon, lUiistr. .- not more than 20mm. 



Log. With type or with var. ('uretas ; usually considered an ab. 

 of 1st biood, but 1 have taken it in the Pfynwald, vii. 21/99, and 

 at Branson, \ ii. 19, 1900, as well as vi. 1/02 in the latter loc. 



(b.) loss of or. spots un.s. h.w. constituting : 



var. Coretas, odi^. 2 entirely brn. up.s. 



Log. The only form (exc. ab. I'olysjwrc/uni) that I have ever 

 found in the Rhone A'alley : the 2 seems v. scarce. Pfvnwald vii. 

 21/99 ; Martigny, vii. 22/99 ; both sides of Rhone*' bridge at 

 Bran^.on, on right bank of Rhone, v. 20/01, and vii. 19, 1900 (W'h.). 



